/*
*    Qizx/open 3.0 beta
*
* This code is the open-source version of Qizx.
* Copyright (C) 2004-2009 Axyana Software -- All rights reserved.
*
* The contents of this file are subject to the Mozilla Public License 
*  Version 1.1 (the "License"); you may not use this file except in 
*  compliance with the License. You may obtain a copy of the License at
*  http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
*  WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
*  for the specific language governing rights and limitations under the
*  License.
*
* The Initial Developer of the Original Code is Xavier Franc - Axyana Software.
*
*/
using System;
using XQItem = System.Qizx.XQuery.XQItem;
using XQValue = System.Qizx.XQuery.XQValue;
namespace System.Qizx.XQuery.Dt {

    /// <summary> A scalar Double value.</summary>
    public class SingleDouble : DoubleValue {
        public override XQItem Item {
            get {
                return this; // optim
            }

        }
        public override double ValueAsDouble {
            get {
                return _value;
            }

        }
        public override float ValueAsFloat {
            get {
                return (float)_value;
            }

        }
        override protected internal double Value {
            get {
                return _value;
            }

        }
        internal double _value;

        private bool started = false;

        public SingleDouble(double value) {
            this._value = value;
        }

        public override bool Next() {
            return started ? false : (started = true);
        }

        public override string ToString() {
            return "SingleDouble " + _value;
        }

        public override XQValue BornAgain() {
            return new SingleDouble(_value);
        }
        /*
        public override System.Decimal ValueAsDecimal {
            get {
                return (decimal)_value;
            }
        }
         * */
    }
}